# -*- ecoding: utf-8 -*-
# @Author: Wick
# @Time: 2024-02-23 17:07

demo_list = [1, 2, 3]
def change_list(mylist):
    mylist.append(10)
    mylist[0] = 13
print(demo_list)
change_list(demo_list)
print(demo_list)